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(See AIRWAY.)
(See JET ROUTE.)
(See PUBLISHED ROUTE.)
(See UNPUBLISHED ROUTE.)
ROUTE ACTION NOTIFICATION- URET notification
that a PAR/PDR/PDAR has been applied to the
flight plan.
(See ATC PREFERRED ROUTE
NOTIFICATION.)
(See USER REQUEST EVALUATION TOOL.)
ROUTE SEGMENT- As used in Air Traffic Control,
a part of a route that can be defined by two
navigational fixes, two NAVAIDs, or a fix and a
NAVAID.
(See FIX.)
(See ROUTE.)
(See ICAO term ROUTE SEGMENT.)
ROUTE SEGMENT [ICAO]- A portion of a route to
be flown, as defined by two consecutive significant
points specified in a flight plan.
RSA-
(See RUNWAY SAFETY AREA.)
RTR-
(See REMOTE TRANSMITTER/RECEIVER.)
RUNWAY- A defined rectangular area on a land
airport prepared for the landing and takeoff run of
aircraft along its length. Runways are normally
numbered in relation to their magnetic direction
rounded off to the nearest 10 degrees; e.g., Runway
1, Runway 25.
(See PARALLEL RUNWAYS.)
(See ICAO term RUNWAY.)
RUNWAY [ICAO]- A defined rectangular area on a
land aerodrome prepared for the landing and take‐off
of aircraft.
RUNWAY CENTERLINE LIGHTING-
(See AIRPORT LIGHTING.)
RUNWAY CONDITION READING- Numerical
decelerometer readings relayed by air traffic
controllers at USAF and certain civil bases for use by
the pilot in determining runway braking action.
These readings are routinely relayed only to USAF
and Air National Guard Aircraft.
(See BRAKING ACTION.)
RUNWAY END IDENTIFIER LIGHTS-
(See AIRPORT LIGHTING.)
RUNWAY GRADIENT- The average slope, measured
in percent, between two ends or points on a
runway. Runway gradient is depicted on Government
aerodrome sketches when total runway gradient
exceeds 0.3%.
RUNWAY HEADING- The magnetic direction that
corresponds with the runway centerline extended, not
the painted runway number. When cleared to “fly or
maintain runway heading,” pilots are expected to fly
or maintain the heading that corresponds with the
extended centerline of the departure runway. Drift
correction shall not be applied; e.g., Runway 4, actual
2/14/08 Pilot/Controller Glossary
PCG R-7
magnetic heading of the runway centerline 044, fly
044.
RUNWAY IN USE/ACTIVE RUNWAY/DUTY
RUNWAY- Any runway or runways currently being
used for takeoff or landing. When multiple runways
are used, they are all considered active runways. In
the metering sense, a selectable adapted item which
specifies the landing runway configuration or
direction of traffic flow. The adapted optimum flight
plan from each transition fix to the vertex is
determined by the runway configuration for arrival
metering processing purposes.
RUNWAY LIGHTS-
(See AIRPORT LIGHTING.)
RUNWAY MARKINGS-
(See AIRPORT MARKING AIDS.)
RUNWAY OVERRUN- In military aviation exclusively,
a stabilized or paved area beyond the end of a
runway, of the same width as the runway plus
shoulders, centered on the extended runway
centerline.
RUNWAY PROFILE DESCENT- An instrument
flight rules (IFR) air traffic control arrival procedure
to a runway published for pilot use in graphic and/or
textual form and may be associated with a STAR.
Runway Profile Descents provide routing and may
depict crossing altitudes, speed restrictions, and
headings to be flown from the en route structure to the
point where the pilot will receive clearance for and
execute an instrument approach procedure. A
Runway Profile Descent may apply to more than one
runway if so stated on the chart.
(Refer to AIM.)
RUNWAY SAFETY AREA- A defined surface
surrounding the runway prepared, or suitable, for
reducing the risk of damage to airplanes in the event
of an undershoot, overshoot, or excursion from the
runway. The dimensions of the RSA vary and can be
determined by using the criteria contained within
AC 150/5300‐13, Airport Design, Chapter 3.
Figure3-1 in AC 150/5300‐13 depicts the RSA. The
design standards dictate that the RSA shall be:
a. Cleared, graded, and have no potentially
hazardous ruts, humps, depressions, or other surface
variations;
b. Drained by grading or storm sewers to prevent
water accumulation;
c. Capable, under dry conditions, of supporting
snow removal equipment, aircraft rescue and
firefighting equipment, and the occasional passage of
aircraft without causing structural damage to the
aircraft; and,
d. Free of objects, except for objects that need to
be located in the runway safety area because of their
　
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